This guide has been prepared to aid in the writing of material standards using the Classification D 4000 format.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This classification system covers ___ materials suitable for _____________. The inclusion or exclusion of recycled plastics in this classification system must be addressed here.

1.2 The properties included in this standard are those required to identify the compositions covered. Other requirements necessary to identify particular characteristics important to specialized applications are to be specified by using suffixes as given in Section 5.

1.3 This classification system and subsequent line callout (specification) are intended to provide a means of calling out plastic materials used in the fabrication of end items or parts. It is not intended for the selection of materials. Material selection can be made by those having expertise in the plastic field only after careful consideration of the design and the performance required of the part, the environment to which it will be exposed, the fabrication process to be employed, the costs involved, and the inherent properties of the material other than those covered by this standard.

1.4 The following precautionary caveat pertains only to the test method portion, Section 11, of this classification system: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents (purchase separately)

ASTM StandardsD618 Practice for Conditioning Plastics for TestingD883 Terminology Relating to PlasticsD1600 Terminology for Abbreviated Terms Relating to PlasticsD3892 Practice for Packaging/Packing of PlasticsD4000 Classification System for Specifying Plastic MaterialsD5205 Classification System for Polyetherimide (PEI) MaterialsD5630 Test Method for Ash Content in PlasticsD6779 Classification System for Polyamide Molding and Extrusion Materials (PA)D7209 Guide for Waste Reduction, Resource Recovery, and Use of Recycled Polymeric Materials and ProductsE29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

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